Wiktionary
tenuousness
n. the quality of being tenuous
Usage examples of "tenuousness".
There were a few low yet cirrus clouds, whose feathery character I took to be due to the tenuousness of the atmosphere.
This ingenuousness is doubtless dependent upon several factors, such as the primitiveness of the world, the isolation and uniqueness of the cities, the disparateness of cultures and the tenuousness of communication.